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5051473 |
Automotive coating compositions
Disclosed is an automotive coating composition comprising (i) a basal resin which is either (a) a copolymer containing a specific polysiloxane macromonomer having two or more functional groups...
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5047546 |
Oxazolidines containing silane groups
Compounds of the general formula I ##STR1## wherein R 1 is a hydrogen, C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, phenyl or benzy., R 2 is hydrogen or C 1 -C 4 alkyl, or R 1 and R 2 ,...
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5041513 |
Polyimide resin compositions
A polyimide resin is prepared by polymerizing (A) a tetracarboxylic acid dianhydride component consisting essentially of 10 to 50 mol % of 2,2-bis(3,4-benzene-dicarboxylic...
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5039772 |
Flame retardant organopolysiloxane-polycarbonate graft copolymers
Flame retardant graft organopolysiloxane-polycarbonate copolymers are provided which can be made by effecting addition between a silicon-hydride siloxane and an aliphatically unsaturated...
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5036145 |
Alkoxysilane and alkoxysilane terminated polyamic or polyimide lacquer composition
An alkoxysilane bearing amic acid or derivative thereof is formed by reacting an aromatic or aliphatic dianhydride and an aminoalkyltrialkoxysilane or aminoaryltrialkoxysilane, or reacting an...
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5034489 |
Silicone copolymers having tetraorganodisilyloxy groups and intermediates thereof
Silicone copolymers, such as silicone polyimides, silicone polyamides silicone polyesters and silicone polycarbonates are provided having condensed tetraorganodisiloxy groups. These silicone...
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5034491 |
(Meth)acrylate ester-modified organopolysiloxanes
A (meth)acrylate ester-modified organopolysiloxane composition, which is composed of several fractions of equilibrated (meth)acrylate ester-modified organopolysiloxanes that differ in the average...
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5032649 |
Organic amide-modified polysilazane ceramic precursors
Silazane polymers are prepared by (1) reacting ammonia with one or more halogenated organic silicon compounds containing an Si-H bond to produce a silazane ammonolysis product, (2) mixing the...
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5030686 |
Transparent cover layer for transparent glass or plastic substrate
A condensation-inhibiting transparent cover layer of soft elastic polyurethane for viewing windows or other transparent glass or plastic substrates. The reaction mixture for production of the cover...
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5028681 |
Novel poly(imide-siloxane) block copolymers and process for their preparation
Novel poly(imide-siloxane) block copolymers and a process for their preparation are disclosed. The process of this invention involves reacting a hydroxy-terminated polyimide oligomer with a...
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5028661 |
Adhesion promoters for thiolene adhesive formulations
Compounds useful as adhesion promoters for thermally cured thiolene adhesives include a) acrylic or norbornene acid phosphate esters such as ##STR1## b) maleic, acrylic, methacrylic, norbornene...
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5026791 |
Aromatic carbonate polymer composition
A composition comprising an aromatic carbonate polymer wherein in the backbone of said polymer there is a siloxane unit of the structure below ##STR1## wherein n is an integer of one to about 100,...
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5025074 |
Flame retardant organopolysiloxane-polycarbonate triblock copolymers
Phenol-organopolysiloxane chainstoppers are phosgenated in combination with a bisphenol to make flame retardant organopolysiloxane-polycarbonate triblock copolymers. The phenol-organopolysiloxane...
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5025053 |
Diorganopolysiloxanes containing dibenzoylmethane functional groups
Linear and cyclic diorganopolysiloxanes containing dibenzoylmethane functional groups are well suited for the coating of optical fibers and for lubricating plastics, e.g., PVC.
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5023298 |
Curable composition
Disclosed is a curable composition which is superior in chemical resistance and weather resistance and appearance by the use of oxazolidine compounds, comprising (A) a compound having a carboxylic...
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5019644 |
Photocurable diorganopolysiloxanes containing thioalkyl (meth) acrylate functional groups
Linear and cyclic diorganopolysiloxanes containing thioalkyl (meth)acrylate functional groups bonded via an SiC linkage to the polysiloxane backbone are crosslinkable under the influence of UV or...
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5015700 |
Anhydride-functional organo/(poly)siloxanes, a process for preparing the same and uses thereof
Anhydride-functional organo(poly)siloxanes having average units of the general formula ##EQU1## in which the R(s) are the same or different and represent a monovalent hydrocarbon radical or a...
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5013788 |
Liquid coating composition and coating method for forming hard-coat film on plastics
The invention provides a liquid coating composition for forming a transparent and hard coating film on a plastic member such as a polycarbonate or polymethyl methacrylate plate. The liquid...
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5011899 |
Copoly(aromatic sulfone carbonate - aromatic alkylcarbonate) - polysiloxane block copolymer
Polysulfonecarbonate-siloxane block copolymers provide ductile resins having high heat distortion temperatures and high glass transition temperatures. The polysulfonecarbonate-siloxane block...
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5009934 |
Process for preparing poly-(imidesiloxanes)
A process for preparing poly-(imidesiloxanes) which comprises reacting an N,N'-dialkenyldiimide with an organosilicon compound containing two Si-bonded hydrogen atoms in the presence of a catalyst...
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5008361 |
Crystalline polyimidesiloxanes
Novel crystalline polyimidesiloxanes are prepared by reacting BTDA, and a siloxane monomer with a diamine selected from bis-4(4-aminophenoxy) phenyl sulfone and 2,2-bis-4(4-aminophenoxy) phenyl...
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5006573 |
Silane coupling agents
A novel organosilane coupling agent is disclosed and its use as an adhesion promoter in mineral-filled unsaturated polymer systems is described. Additionally, use of the organosilane as a primer...
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5004793 |
Room temperature-curable composition
A room temperature-curable composition comprising (a) 100 parts by weight of a siloxane-amide block copolymer represented by the formula (1) ##STR1## wherein Y represents a hydrolyzable...
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4997908 |
Solvent resistant polymidesiloxane
Disclosed is a substantially fully imidized diglyme-insoluble, N-methylpyrrolidone-soluble polyimidesiloxane which is the reaction product of a dianhydride, about 1 to about 5% by weight of a...
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4996278 |
Novel polyimidesiloxanes and methods for their preparation and use based on diamines with pendant fluorine groups
Substantially fully imidized polyimidesiloxanes which are based on a selected pyridine compound are soluble in diglyme which gives them particular utility in the micro-electronics industry. The...
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4996243 |
Curable acrylamido oligomer compositions with initiator, and cured products
A composition of matter comprising an acrylamido-acyl or methacrylamido-acyl oligomer derived from at least one nucleophilic oligomer having at least one amino-, hydroxyl-, or thiol-substituted...
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4994532 |
Polycarbonate-silicone block copolymer compositions
Carboxylic acid functionalized polydimethylsiloxane fluids react with polycarbonate in the melt to form polydimethylsiloxane/polycarbonate block copolymers. The resultant copolymers are transparent...
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4994538 |
Siliconized emulsion based pressure-sensitive adhesives
There is provided inherently tacky pressure-sensitive adhesive polymers prepared by emulsion polymerization and containing an interpolymerized amount of a reactive silicone acrylate polymer, an...
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4988778 |
Polyamine-functional silane resin
Disclosed herein are organosilane resins which are derived from an aminoalkoxysilane and hydroxy- and amine-functional compound; said resins are useful in curable compositions containing epoxy...
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4988795 |
Amphiphilic polyimide precursor and process for preparing the same from fatty-substituted polyamide-acids
An amphiphilic polyimide precursor having at least 70% by mole of the recurring unit of the formula (1): ##STR1## wherein R 1 is a tetravalent group having at least 2 carbon atoms, R 2 is a...
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4988788 |
Room temperature-curable coating composition
The room temperature-curable coating composition comprises, as the resinous vehicle thereof, a copolymer prepared by the radical copolymerization of a ternary monomeric mixture composed of (A)...
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4987180 |
Silicone-based fabric finishing agent
An excellently pleasant feeling of softness and elastic resilience can be imparted to a fabric material treated with the inventive fabric finishing agent which is an aqueous emulsion of a copolymer...
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4985511 |
Siloxane-polypivalolactone thermoplastic elastomers
Poly(siloxane-pivalolactone) thermoplastic elastomers and methods for their preparation by graft polymerizing pivalolactone onto a polysiloxane backbone.
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4985527 |
Preparation of thermally stable copolyimidoamides containing diorganopolysiloxane recurring units
Thermally stable copolyimidoamides containing recurring diorganopolysiloxane structural units are improvedly prepared by directly interreacting, in a solvent medium: (i) a diisocyanate of the...
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4981607 |
Liquid-crystalline organopolysiloxanes and methods for their preparation
What is disclosed and claimed are organopolysiloxanes having liquid crystalline properties at relatively low temperatures as compared to prior art materials. The organopolysiloxanes have this...
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4981940 |
Polyamide having a low elastic modulus and a process for producing the same
A polyimide having a low elastic modulus and also superior heat resistance and mechanical characteristics and soluble in solvents and a process for producing the same are provided, which...
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4980427 |
Toughened bismaleimide resin systems
Toughened heat-curable bismaleimide resin systems which contain alkenylphenoxy-terminated polysiloxane modifiers and compatibilizing agents. Cured resin systems exhibit increased toughness without...
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4978561 |
Treatment of fibrous materials
The specification describes and claims a method of treating fibrous material which comprises applying to the fibrous material a composition comprising an organosilicon compound having a group...
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4978701 |
Diorganopolysiloxanes containing itaconate functional groups
Diorganopolysiloxanes containing itaconate functional groups include at least one recurring structural unit of the formula (1): ##EQU1## in which a is 1 or 2; the symbol Z is one of the radicals...
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4978726 |
Polysiloxanes with (meth)acrylate ester groups linked over SiC groups and their use as radiation-curable coating materials for sheet-like carriers
Novel polysiloxanes with (meth)acrylate groups and monocarboxylate groups and their use as radiation-curable abhesive coating matrials are disclosed. The modified polysiloxanes adhere well to the...
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4977229 |
Polymeric compositions for optical devices
Contact and intraocular lenses are formed from a polymer formed by polymerizing one or more siloxane monomers of the formula ##STR1## with monomeric crosslinking agents and optionally an acrylic or...
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4977198 |
UV curable epoxy functional silicones
Epoxy functional organopolysiloxanes are compatibilized with onium salt photocatalysts by modifying a controlled number of epoxy groups by esterification with carboxylic acids.
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4975331 |
Polyimide copolymers containing 4,4'-bis(p-aminophenoxy)biphenyl and siloxane diamine moieties
A low modulus, solvent resistant, wet etchable polyimide useful in electronic applications as passivation and insulating coatings, said polyimides containing a 4,4'-bis(p-aminophenoxy)biphenyl...
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4975472 |
Curable organopolysiloxane composition
A curable organopolysiloxane composition having condensation-curing properties and ultraviolet-curing properties, comprising (A) a diorganopolysiloxane having a viscosity of 50 to 200,000 cSt, both...
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4975511 |
Glycidyl sulfonamide compound
A novel glycidyl sulfonamide compound having a (poly)siloxane main chain of its molecule is used alone or in admixture with an epoxy resin to give a cured material being excellent in flexibility,...
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4973645 |
Novel soluble polyimidesiloxanes and methods for their preparation and use
Fully imidized polyimidisiloxanes which are based on oxydiphthalic anhydride are soluble in diglyme which gives them particular utility in the micro-electronics industry. The polymers are prepared...
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4970283 |
Silicon-containing soluble polyimide precursor, its cured material, and method for preparing them
The present invention intends to provide a cured material of a silicon-containing polyimide having high heat resistance, low coefficient of thermal expansion, no brittleness and high hardness. In...
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4969711 |
Optical glass fiber with a primary coating of acrylic acid ester groups-containing organo-polysiloxanes
Optical glass fibers are provided with a primary coating of organo-polysiloxanes, containing acrylic acid ester groups, corresponding to the general formula: ##STR1## where the primary coating is...
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4968751 |
Acrylic/silicone resins for powder coatings
Powder paint compositions are based on a polymeric binder comprising hydroxyl functional acrylic polymer and cyclic silicone resin adapted to coreact upon heating in the presence of at least 0.1%...
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4968757 |
Soluble silicone-imide copolymers
There is provided a siloxane-imide copolymer composition having at least one polymeric block with a low glass transition temperature and at least one polymeric block with a high glass transition...
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